MUSSELpdb

Taxonomy

all genera

Summary

Species & Genus Richness of
freshwater mussels
by Taxonomy

Species & Genus Richness of
freshwater bivalves
by Family

Geography

Species Richness & Endemism of
freshwater mussels
by Geography

Data last updated
Mon 2 March 2026

nominal species Pseudodon crassus Drouët in Drouët & Chaper, 1892

Pseudodon crassus Drouët in Drouët & Chaper, 1892 = Pseudodon walpolei

specimen image from publication Drouët in Drouët & Chaper, 1892. Mém. Soc. Zool. France 5: 151, pl. 6, figs. 1-3.
Drouët, 1892. J. de Conch. 40: 93.

Taxonomic Opinions

+ Pseudodon walpolei (Hanley, 1871) — Bolotov et al., 2023: 12, Table 1.

+ Monodontina walpolei (Hanley, 1871) — Graf & Cummings, 2021: 22.

+ Monodontina walpolei (Hanley, 1871) — Bolotov et al., 2020: Table 3.

= Pseudodon crassus — Zieritz et al., 2020: 2238.

= Pseudodon crassus Drouet & Chaper, 1892 — Zieritz et al., 2018: online Table 1.

= Pseudodon crassus Drouet & Chaper, 1892 — Zieritz et al., 2018: 131.

= Pseudodon crassus Drouet & Chaper, 1892 — Bogan, 2010: [web].

= Pseudodon (Diplopseudodon) crassus (Drouët & Chaper, 1892) — Graf & Cummings, 2007: 311.

= Pseudodon (Diplopseudodon) crassus Drouet, 1892 — Haas, 1969: 138.

= Pseudodon (Diplopseudodon) crassus Drouet, 1892 — Haas, 1969: N434, fig. D31:6.

= Pseudodon (sec. Diplopseudodon) crassus Drouet — Thiele, 1934: 820, [1250].

= Pseudodon (Diplopseudodon) crassus Drouet, 1892 — Haas, 1920: 313, pl. 49, fig. 1.

= Simpsonella crassa (Drouet, 1892) — Simpson, 1914: 1077.

= Dalliella crassa (Drouet, 1892) — Simpson, 1900: 834.

= Pseudodon crassus Drouet — Drouët, 1894: 218.